Question #3e2ee

1 Answer
Jackie Shlecter
Mar 11, 2014

The formula for density is Density = #(Mass)/(Volume)#, which you can abbreviate to D = #M/V#.

Here, we are given the Density (0.714 #g/L#) and the Volume (25.0L). Plugging into the equation we have:

#0.714##g/L# = #M/(25.0L)#

To solve for the unknown (in this case, M), multiply both sides of the equation by #25.0L# (notice that the units of L cancels out on both sides, and we are left with the units we want: grams).

We are then left with:

17.85g = M, so our mass is 17.85 grams.

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